<template>
  <section class="loginContainer">
      <div class="loginInner">
        <div class="login_header">
          <h2 class="login_logo">硅谷外卖</h2>
          <div class="login_header_title" >
            <a href="javascript:;" :class="{'on':loginWay}"     @click="loginWay=true">短信登录</a>
            <a href="javascript:;"   :class="{'on':!loginWay}"  @click="loginWay=false">密码登录</a>
          </div>
        </div>
        <div class="login_content">
          <form>
            <!-- 短信登录 -->
            <div   :class="{'on':loginWay}"    >
              <section class="login_message">
                <input type="tel" maxlength="11" placeholder="手机号" v-model="phone">
                <button :disabled="!leftphone" class="get_verification " 
                 :class="{lefts_phone:leftphone}" @click.prevent="ckss">{{compontime>0 ? `已发送(${compontime}s)`:'获取验证码'}}</button>
              </section>
              <section class="login_verification">
                <input type="tel" maxlength="8" placeholder="验证码" v-model="code">
              </section>
              <section class="login_hint">
              
                <a href="javascript:;">《用户服务协议》</a>
              </section>
            </div>

            <!-- 手机密码登录 -->
            <div   :class="{'on':!loginWay}" >
              <section>
                <section class="login_message">
                  <input type="text" maxlength="11" placeholder="手机/邮箱/用户名"  v-model="name">  
                </section>
                <section class="login_verification">
                  <input type="text" maxlength="8" placeholder="密码" v-if="showPwd" v-model="pwd"  >
                  <input type="password" maxlength="8" placeholder="密码" v-else v-model="pwd" >
                  <div class="switch_button"  @click="showPwd=!showPwd"  :class="showPwd ?'on':'off' ">  
                    <div class="switch_circle"   :class="{right:showPwd}"></div>
                    <span class="switch_text">{{showPwd?'abc':'...'}}</span>
                  </div>
                </section>
                <section class="login_message">
                  <input type="text" maxlength="11" placeholder="验证码" v-model="captcha">
                  <img class="get_verification" src="http://localhost:3000/captcha" alt="captcha" @click.prevent='getCode'>
                </section>
              </section>
            </div>
            <button class="login_submit"  @click.prevent='goLogin'>登录</button>
          </form>
          <a href="javascript:;" class="about_us">关于我们</a>
        </div>
        <a href="javascript:" class="go_back"  @click='$router.go(-1)'>
          <i class="iconfont icon-jiantou2"></i>
        </a>
      </div>


      <AlertTip v-show='alertFlag'  :alertText='text' @alertcloseTip='close'></AlertTip>
    </section>
</template>
<script>
import {reqPhoneCode} from '../../api/index'
import {mapState,mapActions} from 'vuex'

import  AlertTip  from '../../components/AlertTip/AlertTip'

export default {
    data() {
        return {
          loginWay:true,  // 表示短信登录
            compontime:0, //计时倒时器
            code:'', //表示验证码
           phone:'', //   表示手机号
          name:''   ,  //用户名
          pwd:'',    //用户密码
          captcha:'', //图形验证码
          alertFlag:false,// 默认是否显示我们弹框组件
          text:'',//提示信息,
          showPwd:false, //密码隐藏与显示

        };
    },
    computed: {
         leftphone(){
            return /^1\d{10}$/.test(this.phone)//手机号正则表达式
         } 
    },
    created() {

    },
    mounted() {

    },
    watch: {
    },
    methods: {
      ...mapActions(['asyncgetuserLogin','asyncPhoneLogin']),
    //获取验证码
      getCode(e){
        // alert(1)
     console.log(e.target)
    //  src  天然就带有的跨域 
    //  其实是同一个请求  但是服务器会缓存 如果不想让服务器缓存 那么在请求后面加上一个时间
     e.target.src='http://localhost:3000/captcha?date='+new Date();
    //  this. checkcaptcha
      },
      //实现登录功能
      goLogin(){
        //  1 短信登录
        if( this.loginWay) {
          let {rightPhone,phone,code}=this
          if(!this.rightPhone){

          }else if(!/^\d{6}$/.test(code)){

          }
        }else {
           // 用户名登录
          this .getuserLogin()
        }
        // 3  发送请求
      },

      getuserLogin(){
        let {name,pwd,captcha}=this;
        if(!name.trim()) {
          this.isFlagAlter('用户名不能为空')
          return  false
        }
         if(!pwd.trim()) {
             this.isFlagAlter('密码不能为空')
          return  false
        }
         if(!captcha.trim()) {
          // alert('图形验证码不能为空 或者不对')

             this.isFlagAlter('图形验证码不能为空 或者不对')
          return  false
        }
       this. asyncgetuserLogin({name,pwd,captcha})
      },
      //  showPwd 切换 密码显示与隐藏
      showPwd(){
        this.showPwd=!this.showPwd 
      },
      //如果没输入内容 显示弹框内容方法
      isFlagAlter(text){
        this.alertFlag=true,
        this.text=text
      },
      //关闭弹框 
      close(){
         this.alertFlag=false
      },
        // 手机短信验证登录
      reqPhoneLogin(){
          if(!this.phone.trim()){
              alert('手机号不能为空')
              return false
          }
           if(!this.code.trim()){
              alert('验证码不能为空')
              return false
          } 
          this.asyncPhoneLogin({phone:this.phone,code:this.code})
      },
      //验证码倒计时
      async ckss(){
        if(!this.compontime){
         this.compontime=60
         let indexbox=setInterval(() => {
             this.compontime--
             if(this.compontime<=0){
                clearInterval(indexbox)
             }
          },1000);
          }
              // 验证码登录
          let docs=await reqphoneCode(this.phone)
          console.log(docs)
          if(docs.code===0){
              alert('验证码登录成功')
          }  
      }
    },
    components: {
      AlertTip
    },
};
</script>

<style scoped  lang="stylus" >
@import "../../common/stylus/mixins.styl"
 .loginContainer
      width 100%
      height 100%
      background #fff
      .loginInner
        padding-top 60px
        width 80%
        margin 0 auto
        .login_header
          .login_logo
            font-size 40px
            font-weight bold
            color #02a774
            text-align center
          .login_header_title
            padding-top 40px
            text-align center
            >a
              color #333
              font-size 14px
              padding-bottom 4px
              &:first-child
                margin-right 40px
              &.on
                color #02a774
                font-weight 700
                border-bottom 2px solid #02a774
        .login_content
          >form
            >div
              display none
              &.on
                display block
              input
                width 100%
                height 100%
                padding-left 10px
                box-sizing border-box
                border 1px solid #ddd
                border-radius 4px
                outline 0
                font 400 14px Arial
                &:focus
                  border 1px solid #02a774
              .login_message
                position relative
                margin-top 16px
                height 48px
                font-size 14px
                background #fff
                .get_verification
                  &
                  position absolute
                  top 50%
                  right 10px
                  transform translateY(-50%)
                  border 0
                  color #ccc
                  font-size 14px
                  background transparent
                  &.lefts_phone
                      color black
              .login_verification
                position relative
                margin-top 16px
                height 48px
                font-size 14px
                background #fff
                .switch_button
                  font-size 12px
                  border 1px solid #ddd
                  border-radius 8px
                  transition background-color .3s,border-color .3s
                  padding 0 6px
                  width 30px
                  height 16px
                  line-height 16px
                  color #fff
                  position absolute
                  top 50%
                  right 10px
                  transform translateY(-50%)
                  &.off
                    background #fff
                    .switch_text
                      float right
                      color #ddd
                  &.on
                    background #02a774
                  >.switch_circle
                    //transform translateX(27px)
                    position absolute
                    top -1px
                    left -1px
                    width 16px
                    height 16px
                    border 1px solid #ddd
                    border-radius 50%
                    background #fff
                    box-shadow 0 2px 4px 0 rgba(0,0,0,.1)
                    transition transform .3s
                    &.right
                      transform: translateX(27px)
              .login_hint
                margin-top 12px
                color #999
                font-size 14px
                line-height 20px
                >a
                  color #02a774
            .login_submit
              display block
              width 100%
              height 42px
              margin-top 30px
              border-radius 4px
              background #4cd96f
              color #fff
              text-align center
              font-size 16px
              line-height 42px
              border 0
          .about_us
            display block
            font-size 12px
            margin-top 20px
            text-align center
            color #999
        .go_back
          position absolute
          top 5px
          left 5px
          width 30px
          height 30px
          >.iconfont
            font-size 20px
            color #99
</style>
